Home / 142,433,729.40-213,620,697-40,173,852.24

Finding the Fourth Proportional to 142,433,729.40, 213,620,697 and 40,173,852.24

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Solution

The fourth proportional to 142,433,729.40, 213,620,697 and 40,173,852.24 is: 60,252,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,433,729.40 : 213,620,697 = 40,173,852.24 : x
  2. Step 2: Convert to fraction form
    142,433,729.40/213,620,697 = 40,173,852.24/x
  3. Step 3: Cross multiply
    142,433,729.40x = 213,620,697 × 40,173,852.24
  4. Step 4: Simplify right side
    142,433,729.40x = 8,581,966,316,683,812
  5. Step 5: Solve for x
    x = 8,581,966,316,683,812/142,433,729.40
  6. Step 6: Final answer
    x = 60,252,345.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.